Below, USCIS describes clearly "5" of "BS+5" for EB2 is 5 years of progressive post-baccalaureate work experience in the specialty. Any experiences before BS are not counted for EB2 eligibility. ---------------------------------------------------------- Employment-Based Immigration: Second Preference EB-2 http://www.uscis.gov/portal/site/uscis/menuitem.eb1d4c2a3e5b9ac The job you apply for must require an advanced degree and you must possess such a degree or its equivalent (a baccalaureate degree plus 5 years progressive work experience in the field). Documentation, such as an official academic record showing that you have a U .S. advanced degree or a foreign equivalent degree, or an official academic record showing that you have a U.S. baccalaureate degree or a foreign equivalent degree and letters from current or former employers showing that you have at least 5 years of progressive post-baccalaureate work experience in the specialty.